Home / 8,762.04-13,142.70-4,820.94

Finding the Fourth Proportional to 8,762.04, 13,142.70 and 4,820.94

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Solution

The fourth proportional to 8,762.04, 13,142.70 and 4,820.94 is: 7,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.04 : 13,142.70 = 4,820.94 : x
  2. Step 2: Convert to fraction form
    8,762.04/13,142.70 = 4,820.94/x
  3. Step 3: Cross multiply
    8,762.04x = 13,142.70 × 4,820.94
  4. Step 4: Simplify right side
    8,762.04x = 63,360,168.14
  5. Step 5: Solve for x
    x = 63,360,168.14/8,762.04
  6. Step 6: Final answer
    x = 7,231.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.